The ATc2.0-2.3 from Narda-ATM is a RF & Microwave Circulator with Frequency 2 to 2.3 GHz, Average Power Forward 2 W, Peak Power 350 W, Insertion Loss 0.3 to 0.4 dB, Isolation 23 to 23 dB. Tags: Coaxial Circulator. More details for ATc2.0-2.3 can be seen below.